CachedImageRemapper.h

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// -*- c-basic-offset: 4 -*-
#ifndef _HUGINAPP_CACHEDIMAGEREMAPPER_H
#define _HUGINAPP_CACHEDIMAGEREMAPPER_H

#include <hugin_shared.h>
#include <nona/ImageRemapper.h>

#include <map>
#include <huginapp/ImageCache.h>

namespace HuginBase {

class IMPEX SmallRemappedImageCache : public Nona::SingleImageRemapper<vigra::FRGBImage, vigra::BImage>
{
    
    typedef Nona::RemappedPanoImage<vigra::FRGBImage, vigra::BImage> MRemappedImage;
    
    
public:
    virtual ~SmallRemappedImageCache();
    
    
public:
    virtual MRemappedImage* getRemapped(const PanoramaData & pano,
                                        const PanoramaOptions & opts,
                                        unsigned int imgNr,
                                        vigra::Rect2D outputROI,
                                        AppBase::ProgressDisplay* progress);

    
    virtual     void release(MRemappedImage* d)
        {
                // NOP, will be done by invalidate..
        }
    
    void invalidate();

    void invalidate(unsigned int imgNr);

    
protected:
    std::map<unsigned, MRemappedImage*> m_images;
    
    // descriptions of the remapped image. useful to determine
    // if it has to be updated or not
    std::map<unsigned, SrcPanoImage> m_imagesParam;
    std::map<unsigned, PanoramaOptions> m_panoOpts;
    
};


} //namespace
#endif // _IMAGECACHE_H